Statistics
Topics in mathematicsStatisticsCalculus and analysisGeometryDiscrete mathematicsFoundationsBasicsAlgebraStatistics and probabilityApplied mathematicsFunctionsMathematicsTheoretical computer scienceFrom Lably lessonsNumber theoryOtherCounting and numbersGeometry and topologyApplied MathematicsGeneralAnalysisArithmeticProbability and statistics
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- OddsRatio of the probability of an event happening versus not happening
- Odds algorithmIn decision theory, the odds algorithm (or Bruss algorithm) is a mathematical method for c
- Odds ratioStatistic quantifying the association between two events
- OECD Development CentreThe OECD Development Centre was established in 1961 as an independent platform for knowled
- Official statisticsStatistics published by government agencies
- Olive Jean DunnAmerican mathematician (1915–2008)
- Omitted-variable biasType of statistical bias
- Omnibus testStatistical test of variance
- On the PostcolonyOn the Postcolony is a collection of critical essays by Cameroonian philosopher and politi
- Online analytical processingProcessing mode
- Optimal experimental designExperimental design that is optimal with respect to some statistical criterion
- Optimal stoppingClass of mathematical problems
- Order statisticKth smallest value in a statistical sample
- Ordered probitIn statistics, ordered probit is a generalization of the widely used probit analysis to th
- Ordinal dataStatistical data type
- Ordinal regressionRegression analysis for modeling ordinal data
- Orthogonal arrayIn mathematics, an orthogonal array (more specifically, a fixed-level orthogonal array) is
- Orthogonal array testingSoftware testing technique
- Oscar KempthorneBritish statistician and geneticist (1919–2000)
- Outcome switchingChanging outcomes of clinical trial after initiation
- OutlierObservation far apart from others in statistics and data science
- OverfittingFlaw in mathematical modelling
- Oversampling and undersampling in data analysisStatistical sampling techniques